/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.facebook.presto.operator;

import com.facebook.presto.common.Page;
import com.facebook.presto.metadata.Split;

import java.util.Iterator;
import java.util.List;
import java.util.Optional;
import java.util.concurrent.Future;

import static com.google.common.util.concurrent.Futures.immediateFuture;

public class NoOpFragmentResultCacheManager
        implements FragmentResultCacheManager
{
    @Override
    public Future<?> put(String serializedPlan, Split split, List<Page> result)
    {
        return immediateFuture(null);
    }

    @Override
    public Optional<Iterator<Page>> get(String serializedPlan, Split split)
    {
        return Optional.empty();
    }
}
